| # Copyright (C) 2013-2016 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # Regression test for PR15693. A breakpoint with a condition that |
| # calls a function that evaluates false would result in a spurious |
| # *running event sent to the frontend each time the breakpoint is hit |
| # (and the target re-resumed). Like: |
| # |
| # -exec-continue |
| # ^running |
| # *running,thread-id="all" |
| # (gdb) |
| # *running,thread-id="all" |
| # *running,thread-id="all" |
| # *running,thread-id="all" |
| # *running,thread-id="all" |
| # *running,thread-id="all" |
| # ... |
| |
| load_lib mi-support.exp |
| set MIFLAGS "-i=mi" |
| |
| # Run either the multi-threaded or the single-threaded variant of the |
| # test, as determined by VARIANT. |
| proc test { variant } { |
| global gdb_test_file_name |
| global testfile srcdir subdir srcfile srcfile2 binfile |
| global mi_gdb_prompt async |
| |
| with_test_prefix "$variant" { |
| gdb_exit |
| if [mi_gdb_start] { |
| continue |
| } |
| |
| set options {debug} |
| if {$variant == "mt" } { |
| lappend options "pthreads" |
| } |
| |
| # Don't use standard_testfile as we need a different binary |
| # for each variant. |
| set testfile $gdb_test_file_name-$variant |
| set binfile [standard_output_file ${testfile}] |
| set srcfile $testfile.c |
| set srcfile2 $gdb_test_file_name.c |
| |
| if {[build_executable "failed to prepare" \ |
| $testfile \ |
| "${srcfile} ${srcfile2}" \ |
| $options] == -1} { |
| return -1 |
| } |
| |
| mi_delete_breakpoints |
| mi_gdb_reinitialize_dir $srcdir/$subdir |
| mi_gdb_reinitialize_dir $srcdir/$subdir |
| mi_gdb_load ${binfile} |
| |
| mi_runto test |
| |
| # Leave the breakpoint at 'test' set, on purpose. The next |
| # resume shall emit a single '*running,thread-id="all"', even |
| # if GDB needs to step over a breakpoint (that is, even if GDB |
| # needs to run only one thread for a little bit). |
| |
| set bp_location [gdb_get_line_number "set breakpoint here" $srcfile2] |
| set bp_location_end [gdb_get_line_number "set end breakpoint here" $srcfile2] |
| |
| mi_gdb_test "-break-insert -c return_false() $srcfile2:$bp_location" ".*" \ |
| "insert conditional breakpoint" |
| |
| mi_gdb_test "-break-insert $srcfile2:$bp_location_end" ".*" \ |
| "insert end breakpoint" |
| |
| set msg "no spurious *running notifications" |
| send_gdb "-exec-continue\n" |
| gdb_expect { |
| -re "\\*running.*\\*running.*\\*stopped" { |
| fail $msg |
| } |
| -re "\\^running\r\n\\*running,thread-id=\"all\"\r\n${mi_gdb_prompt}.*\\*stopped" { |
| pass $msg |
| } |
| timeout { |
| fail "$msg (timeout)" |
| } |
| } |
| |
| # In sync mode, there's an extra prompt after *stopped. Consume it. |
| if {!$async} { |
| gdb_expect { |
| -re "$mi_gdb_prompt" { |
| } |
| } |
| } |
| } |
| } |
| |
| # Single-threaded. |
| test "st" |
| |
| # Multi-threaded. |
| test "mt" |